﻿// Copyright (c)  YISH. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.

using NSQL.Sharpen;

namespace NSQL.Expressions.Functions
{
    public class AddIntervalFunction : BaseExpression, IAddIntervalFunction
    {
        public IDateTimeExpression DateTime { get; set; }
        public IIntervalExpression Interval { get; set; }

        public AddIntervalFunction(IDateTimeExpression dateTime, IIntervalExpression interval)
        {
            DateTime = dateTime;
            Interval = interval;
        }
        public override T Accept<T>(IExpressionVisitor<T> visitor) => visitor.Visit(this);
        public override void Accept(IExpressionVisitor visitor) => visitor.Visit(this);
        public override bool IsValid => DateTime.IsValid && Interval.IsValid;
        protected override IExpression DeepCopy()
        {
            return new AddIntervalFunction(DateTime.DeepClone(), Interval.DeepClone())
            {
                Tag = Tag
            };
        }
    }
}